An excellent memory is always useful in life, and the stronger it is, the better. Along with Ben 10 Memory Challenge and your favorite hero, ten-year-old Ben, you can practice visual memory. To do this, Ben has provided you with cards with images of various creatures of alien origin, in which he can transform with the help of omnitrix. These are amazing creatures of different types of sizes and shapes. You must find two identical aliens on the levels from simple to difficult and open them. After opening, you can consider them in detail.